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Issue 43, 2013
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Kelvin probe studies of alkyl monolayers on silicon (111) for surface passivation

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Abstract

A chlorination–alkylation procedure has been investigated with a view to improving the surface passivation properties on silicon. We have found that increasing surface coverage of the alkyl monolayer raises the measured SPV and recombination lifetime. A logarithmic trend is observed between the SPV and recombination, showing that monolayer preparation is an important factor in determining the lifetimes observed. The high SPVs measured by Kelvin probe suggest the presence of a silicon surface with a lower concentration of electrons, reducing surface recombination.

Graphical abstract: Kelvin probe studies of alkyl monolayers on silicon (111) for surface passivation

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Publication details

The article was received on 22 May 2013, accepted on 19 Aug 2013 and first published on 21 Aug 2013


Article type: Paper
DOI: 10.1039/C3RA42526F
Citation: RSC Adv., 2013,3, 20125-20131
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    Kelvin probe studies of alkyl monolayers on silicon (111) for surface passivation

    N. Alderman, L. Danos, M. C. Grossel and T. Markvart, RSC Adv., 2013, 3, 20125
    DOI: 10.1039/C3RA42526F

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